Ash, Will you be my date!

Serena was invited to Monsieur Pierre's Dance Party, To attend his party, Performers must have a date along with Pokemon partner. Who will be Serena's dance partner?

This is the dance episode remake which is XY&Z 12. I'm Rewriting the fanfiction based of Akemi Omode's Screenplay. Credit goes to the writer. (Credits) Screenwriter:
Akemi Omode, James Viveros